Как я исключаю записи из связанной модели в CakePHP?

Использование:

df = pd.read_json('metis.json').reset_index()
df.columns = ['Time', 'Value']
df.to_csv('output.csv')

# Also has human readable time
+---+-------------------------+-----------+
|   |          Time           |   Value   |
+---+-------------------------+-----------+
| 0 | 2019-01-17 04:43:45.290 | -5.336983 |
| 1 | 2019-01-17 04:43:47.540 | -6.044502 |
| 2 | 2019-01-17 04:43:49.790 | -4.642321 |
| 3 | 2019-01-17 04:43:51.980 | -5.104048 |
| 4 | 2019-01-17 04:43:54.180 | -5.104048 |
| 5 | 2019-01-17 04:43:56.470 | -5.336983 |
| 6 | 2019-01-17 04:43:58.770 | -5.807174 |
+---+-------------------------+-----------+